Brand from South Korea: su:m37. The Dear Homme Perfect All-In-One Serum combines the functions of skin softener, lotion, and essence, to hydrate your skin with just one single step. Supplies revitalizing moisture for men s dry skin and restores smoother skin surface. Helps reduce the appearance of wrinkles and brighten skin tone. How to use: 1. Use in the morning or the evening, or after shaving. 2. Take an appropriate amount and gently spread on the face and neck.